1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/servers/monitoring/matrix-alertmanager/default.nix b/nixpkgs/pkgs/servers/monitoring/matrix-alertmanager/default.nix
index 80685e94662c..a5c6212f6c8e 100644
--- a/nixpkgs/pkgs/servers/monitoring/matrix-alertmanager/default.nix
+++ b/nixpkgs/pkgs/servers/monitoring/matrix-alertmanager/default.nix
@@ -27,6 +27,7 @@ buildNpmPackage rec {
   meta = with lib; {
     changelog = "https://github.com/jaywink/matrix-alertmanager/blob/${src.rev}/CHANGELOG.md";
     description = "Bot to receive Alertmanager webhook events and forward them to chosen rooms";
+    mainProgram = "matrix-alertmanager";
     homepage = "https://github.com/jaywink/matrix-alertmanager";
     license = licenses.mit;
     maintainers = with maintainers; [ yuka ];